user guide and tutorials - darktable
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1. darktable source src iop clipping c Files croprotate png 8 11 KB 06 02 2012 Anonymous aspect png 6 06 KB 06 02 2012 Anonymous croprotate png 8 11 KB 06 02 2012 Anonymous guides png 5 55 KB 06 02 2012 Anonymous img_0001 jpg 103 KB 06 02 2012 Anonymous img_0002 jpg 103 KB 06 02 2012 Anonymous params png 12 2 KB 06 02 2012 Anonymous img_0001 jpg 81 KB 06 05 2012 Anonymous img_0002 jpg 84 4 KB 06 05 2012 Anonymous params png 11 6 KB 06 05 2012 Anonymous 12 18 2015 11 38 Demosaic plug in Introduction The Demosaic plug in forms part of the basic plug in group and is used to transform the RAW file CFA pattern bayer for example into an RGB image It is activated in the Darkroom only when zoom is greater than 50 and it is also used when exporting an image TODO Screenshot of the plug in insert screenshot here use a close up showing all parameters of the relevant plug in but no items from other plug ins to avoid confusion This page is correct for the following stable versions of Darktable v1 0 3 v1 0 v0 93 What this plug in actually does This plug in determines the demosaicing algorith to use and its parameters if one is used indeed Demosaicing is used if there s a need to compute an image with more than 50 magnification on display or on export Alternatively bilateral downsampling is used it uses 2x2 blocks as single RGB pixels with some corrections for clipped pixels If High Quality re2. DATE HOUR_AMPM 01 12 DATE DAY 01 31 DATE MONTH 01 12 DATE SHORT_MONTH Jan Feb Dec localized DATE LONG_MONTH January February December localized DATE SHORT_YEAR 13 DATE LONG_YEAR 2013 EXIF MAKER camera maker EXIF MODEL camera model EXIF LENS lens name IMAGE FILENAME original file name Xmp dc creator metadata as set in lighttable Xmp dc publisher metadata as set in lighttable Xmp dc title metadata as set in lighttable Xmp dc description metadata as set in lighttable Xmp dc rights metadata as set in lighttable 12 18 2015 33 38 Preparation for offset printing converting to CMYK For commercial printing you may need to provide an image in the CMYK color format which describes the image in terms of Cyan Magenta Yellow and black ink instead of the Red Green and Blue pixels of computer screens and digital cameras For inkjet printing at home you should not need this even if similar colors are used Darktable doesn t offer a conversion to CMYK in itself But free software provides a working solution by using the ImageMagick toolkit A recipe for this 1 Ask your printer for the color profile you should use for printing and for the minimum highlight values and maximum ink coverage he recommends In doubt get a standard safe profile like ISO Coated v2 300 which is available for
3. And last this step waits for you to push the shutter on the camera when the images should be downloaded to your computer env LANG C gphoto2 port usb capture tethered Soo now what If you successfully went through all the tests above your camera will likely be supported by darktable and tethering if you still stumble over a problem in darktable please file a bug http darktable org redmine projects darktable issues new and attach the respective output of the 2 steps above and the log of darktable d camctl 2 gt 1 gt camctl log 12 18 2015 36 38 If any of the steps above failed then there is a problem with your specific camera and driver Please report the issue to the gphoto2 mailing list for further help Include these flags to the command above that failed to attach to the mail for better support debug debug file gphoto2_debug log 12 18 2015 37 38 Translating the usermanual Some information is already provided by doc usermanual README This wiki page just tries to make it easier and visible to regular users who might want to contribute some translation Packages required to build the documentation tested on debian sudo apt get install doxygen gnome doc utils libsaxon java fop Download the darktable source code and run the build git clone https github com darktable org darktable git cd darktable build sh build sh will return some warning in case other packages are missing tip these warn
4. Model Driver Canon EOS 40D PTP mode Canon EOS 400D PTP mode Canon EOS 100D PTP mode Nikon DSC D60 PTP mode Nikon DSC D90 PTP mode Nikon DSC D3100 PTP mode Basic Shooting but no Live View Nikon DSC D300s PTP mode 2 5 2 Nikon DSC D3 PTP mode 2 4 14 libgphoto version 2 4 10 2 4 8 2 5 4 2 4 8 2 4 8 2 5 1 Verify support for your camera Your camera must be fully supported by gphoto2 and before reporting any problems about camera tethering the following steps must be successfully performed First of all be sure to have gphoto2 tools installed then connect your camera to your computer using the usb cable 1 Verify that camera is detected The following command will provide which cameras are detected and connected to the computer find your camera port name and use it in the tests below mostly port usb will be enough env LANG C gphoto2 auto detect 2 Verify camera driver abilities Execute the following command and verify that the Capture choices ability supports Image and Configuration support is yes These two abilities is checked and decides if tethered shoot button should be shown or not in Darktable env LANG C gphoto2 port usb abilities 3 a Verify camera remote capture This step should capture an image and download it to Your computer env LANG C gphoto2 port usb capture image and download 3 b Verify camera tethered capture
5. c fetchall return rows 12 18 2015 2 38 def appendAll rows destDB conn sqlite3 connect destDB sql insert into presets values 2 2 2 2 2 7 2 2 2 2 2 2 2 2 2 2 2 7 2 2 2 7 c conn cursor for row in rows try c execute sql row conn commit except print can t append row 0 row 2 else print row 0 row 2 Appended def main srcDB destDB getParameters rows readDB srcDB appendAll rows destDB main 12 18 2015 3 38 Conventions et regles de traduction Cette page d crit les conventions et r gles qui doivent tre utilis s dans la traduction fran aise de darktable Ces r gles s appliquent aussi bien au manuel utilisateur qu au logiciel lui m me R gles Il faut assurer la coh rence entre le nom des modules dans darktable et dans le manuel utilisateur Le nom des module commence par une minuscule On crit RAW toujours en majuscules Parmi appareils bo tiers appareils photos appareil correspond bo tier peut tre utilis http sourceforge net mailarchive forum php thread_name 201312052250 41669 sersch 40gmail com amp 38 forum_name darktabl users Conventions Voici une liste des traductions admises comme correctes banding raies de couleur effet de bandes brightness luminosit color break rupture de d grad transitions en escalier color cast dominante de couleur co
6. clipping highlights is selected the plug in avoids that the value of the red and blue channel increase when the green channel is already saturated and started clipping In reality the algorithm analyses highlights if at least one channels is clipped and limit the other channels accordingly The mode reconstruct in LCh analyses each pixel having at least one channel clipped and transforms the information in LCh color space to linearly mix the channels Parameters that can be changed Within the plug in you have the choice to to select between two methods clip highlights reconstruct in LCh and to set the clipping threshold http darktable org redmine attachments download 444 highlight_reconstruction plug in png A preference for one or the other methods can not be given didn t not observed visible differences in both methods up to now The tool tip for the clipping threshold recommends manually adjust the clipping threshold against magenta highlights you shouldn t ever need to touch this This confirms that the clipping is closely linked to the physical characteristics of the sensor and the Bayer pattern If no channels are clipped there is no negative impact on your picture if the Highlight Reconstruction plug in is switched on There is no reason to switch it off Example usage See section reason for usage above Caveats 12 18 2015 17 38 None See also darktable online user manual chapter 4 5 6 darkt
7. Insert other examples as required Caveats 12 18 2015 13 38 The AMaZE method sometimes has trouble when crop rotate or opencl are switched on See also Darktable s online manual 4 7 Demosaic Relevant Blog entries concerning this plugin None currently available Insert links here Online tutorials showing how to use this plug in None currently available Insert links here Online videos showing this plug in in action None currently available Insert links here Wikipedia Color Filter Array Wikipedia Demosaicing Source code 12 18 2015 14 38 GeoTagging plug in Introduction The geotagging plug in is part of the lighttable view and is used to add geographical coordinates to the EXIF data of selected photos from a gpx file http darktable org redmine attachments download 436 geotagging_plug in png This page is correct for the following stable versions of darktable introduced with version 1 1 1 1 2 used for this description Reasons for use You are recording your movements during outdoor photo activities with a GPS device and like to add the geo coordinates of the location to the EXIF information of your photos You don t need this plug in if your camera has a build in GPS receiver The GPS device records all your movements in a track file with precise time tags added to each location The geotagging plug in is used to add geographical coordinates to the EXIF data of selected photos fr
8. PLUG IN NAME link to exact relevant page Relevant Blog entries concerning this plugin None currently available Insert links here Online tutorials showing how to use this plug in None currently available Insert links here 12 18 2015 26 38 Online videos showing this plug in in action None currently available Insert links here Source code darktable source src iop clipping c 12 18 2015 27 38 denoise profiled plug in Introduction The denoise profiled plug in forms part of the correction plug in group and is used to denoise images using a camera specific noise calibration Blog post describing the details behind the plug in http www darktable org 2012 12 profiling sensor and photon noise todo screenshot This page is correct for the following stable versions of darktable darktable version 1 2 Reasons for use The plug in is used to denoise images What this plug in actually does See the blog post referenced above Parameters that can be changed The following parameters settings can be changed within this plug in profile calibrated for camera and iso value mode non local means or wavelet patch size strength blend mode profile todo mode Method used in the denoising core Non local means works best for lightness blending wavelets work best for color blending patch size todo strength todo blend mode Standard blend mode is available for this modul
9. Screenshot of the plug in insert screenshot here use a close up showing all parameters of the relevant plug in but no items from other plug ins to avoid confusion This page is correct for the following stable versions of darktable darktable version 1 0 darktable version 0 93 Reasons for use The NAME plug in is used to manipulate adjust enhance reduce maximise minimise remove delete as appropriate the XXXXXXXXX aspect of your photos Expand further here to either give more detail on generic reasons for use or to explain other reasons for use What this plug in actually does This plug in affects the contrast highlights underexposed overexposed aspects of a photograph and insert a slightly technical explanation of what the plug in does since this allows people to learn the underlying theory behind any manipulations and improve their knowledge over time Please note this is not the place for a full technical thesis but more a very simple explanation of how the plug in achieves its effect Parameters that can be changed The following parameters settings can be changed within this plug in AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD AAAAAAAA This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows chang
10. Universal Time Coordinated Not all cameras record the time zone or darktable exiv2 may not be able to read the time zone correctly from your pictures Setting the camera time to UTC will avoid this pitfall Set the camera time with a precision of a few minutes Before or after your outdoor photo tour take a calibration picture of a precise clock showing the time in seconds If your GPS receiver shows the time take a picture of the display used a radio controlled clock DCF 77 http darktable org redmine attachments download 438 calibration_clock png Import the calibration photo into darktable The precise time is visible on the photo usually in local time in my case UTC 1h The time recorded by your camera is shown by darktable in the lighttable view in the image information plug in datetime In this example the camera time was set to local time As expected there is a difference http darktable org redmine attachments download 439 image_information_plug in png Mark the calibration photo in lighttable view Click the spyglass within the geotagging plug in A small pop up window opens Enter the precise time in hh mm ss from the calibration picture and press the ok button http darktable org redmine attachments download 440 time offset pop up png the time offset is shown in the geotagging plug in http darktable org redmine attachments download 441 time offset_1 png The time zone used in the gpx fil
11. a medium grey HMTL notification in hex 96 96 96 or in dec 150 150 150 Increasing the brightness in all three channels HTML notification in hex to dc dc dc or in dec 220 220 220 results in a lighter grey Let us assume that clipping in the green channel starts at hex value 96 dec 150 Increasing the brightness will result to magenta color HTML notification in hex dc 96 dc or in dec 220 150 220 The simulation with the gimp color chooser shows the resulting colors http darktable org redmine attachments download 445 magenta_demo_1 png The effect of magenta highlights can be verified also in darktable The following pictures were taken on a river in winter showing some ice and the moving water around The two photos on the left are overexposed by mistake by one f stop In darktable the exposure was reduced by 1 EV The Highlight Reconstruction is on for the first picture The 2nd picture is a duplicate of the 1st picture with the Highlight Reconstruction switched off The highlights on the ice changes into magenta http darktable org redmine attachments download 446 magenta_demo_2 png The 3rd picture shows the same scene with correct exposure already in the camera The 4th photo is a duplicate of the 3rd photo with Highlight Reconstruction switched off The 4th photo shows no magenta because of the reduced brightness at correct exposure level the green channel didn t reach the clipping value What this plug in actually does When mode
12. higher values will lead to Parameter DDDDDDDD Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Other general comments about the parameters and their use either alone or in combination with one another Example usage Example 1 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Example 2 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimi
13. in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Example 2 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED
14. the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes Generally recommended settings Whilst users may choose any settings they wish to create the look that they desire the following settings are generally recommended for this plug in Parameter AAAAAAAA Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter BBBBBBBB Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to 12 18 2015 22 38 Parameter CCCCCCCC Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter DDDDDDDD Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Other general comments about the parameters and their use either alone or in combination with one another Example usage Example 1 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Par
15. the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes CCCCCCCC This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes DDDDDDDD This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes Generally recommended settings for this plug in TODO Whilst users may choose any settings they wish to create the look that they desire the following settings are generally recommended for this plug in Parameter AAAAAAAA Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to 12 18 2015 30 38 Parameter BBBBBBBB Useful settin
16. Shotwell asked for the tool to be included in the darktable distribution but you can already get it from issue 9461 In my case it reported 1221 1496 images found 41 found with metadata 41 changed in other words only 1221 of the images lacking metadata were found in shotwell and of those only 41 had tags Ouch Well it s still useful enough for me i got some data out of there filed the helper script in issue 9461 for others to use but it would need some improvements to be completely useful It also still relies on an original import and so on Make sure you stop darktable before running the script 12 18 2015 5 38 Manual export import of styles presets and masks Page written after chat on IRC on 2014 11 02 As of 2014 darktable stores styles presets and masks in a sqlite3 database It is useful sometimes to delete the database to fix some problems But user may want to keep their styles presets and or masks through the database purge Default location of database is config darktable library db but user can choose any other location with the library command line argument Alternate solution keep original database intact use an alternate location to import then replace main database only after confirming everything is okay in the alternate location Steps below are not official use and adapt at your own risks Warning Before operating quit darktable wait until the process has actually ex
17. able blog magenta highlights Source code darktable src iop highlights c Files highlight_reconstruction plug in png 4 9 KB 02 03 2013 Joerg Hoeben magenta_demo_1 png 3 11 KB 02 03 2013 Joerg Hoeben magenta_demo_2 png 289 KB 02 03 2013 Joerg Hoeben 12 18 2015 18 38 TODO proper format for this wikipage Sharpening with the High Pass Sharpness in 5 25 or more 5 25 seems like the lower threshold for this to work 10 looks very similar Contrast boost in 15 try other values Blending mode in overlay at 100 opacity Caveat it messes up with details in the egdes of the histogram blown up highlights and very dark shadows but most of the time it s a very good sharpening technique The filter creates a mask of the fine detail sharpness defining how fine that detail is Then contrast boost defines how much the mask is highlighted meaning how much details are highlighted Files High pass jpg 406 KB 06 06 2012 Ger Siemerink High pass and denoise bilateral jpg 317 KB 06 06 2012 Ger Siemerink 12 18 2015 19 38 InputColorProfilePlugin To add your own color profiles to Darktable s input color profile plugin copy your color profile file in icc format into the folder config darktable color in Once copied they should be selectable in the profile drop down box The files must end in icc Ifthe folder structure does not exist create it Make sure the permissions are set correctl
18. ameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Example 2 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only th
19. anges and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Insert other examples as required Caveats This module requires a noise profile t0 have been generated for the specific sensor or camera The blog post referenced above contains a description on how to perform such a calibration See also http www darktable org 2012 12 profiling sensor and photon noise Source code darktable source src iop denoiseprofile c 12 18 2015 29 38 Sharpen plug in This is a standard Unsharp Mask tool for sharpening the details of an image screenshot goes here This page is correct for the following stable versions of Darktable v1 0 3 v1 0 v0 93 Reasons for use The Sharpen plug in is used to raise the apparent sharpness of your photos What this plug in actually does An unsharp mask raises the contrast of the fine details in the image and thus sharpens it With specific settings an unsharp mask can also be used to enhance local contrast but losing it s sharpening qualities DT has other tools designed to enhance local contrast like the Equalizer Plug in Parameters and settings that can be changed TODO The following parameters settings can be changed within this plug in AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD AAAAAAAA This parameter is represented by a slider graphics box whatever and can be found in
20. anipulate the perspective and crop of your photos The keystone distortion can correct images of tall buildings to make their edges appear parallel again like a tilt shift lens What this plug in actually does This plug in affects the displayed pixels of a photograph and can cut away unneeded portions Also it can distort the pixels potentially losing some resolution Keystone always distorts the whole image regardless of crop Parameters that can be changed The following parameters can be changed within this plug in and can be found in the right hand panel of the Darkroom view flip angle keystone h keystone v aspect guides display flip Settings are horizontal and vertical flip to reverse the image along the selected axis angle Settings range from 180 to 180 degrees where the negative range rotates the whole image clockwise Also the image is automatically cropped so no empty areas are part of the result There is a more easy way to align edges in the image to be either horizontal or vertical Right click in the image area and drag a line along an edge to be aligned Darktable will automatically set the needed angle to make that edge either horizontal or vertical whichever is closer keystone h Settings range from 1 to 1 where 1 shrinks the left half and where 1 shrinks the right part of the image while expanding the other half keystone v Settings range from 1 to 1 where 1 shrinks the low
21. are stored only in the database the directory structure is generally Photos YYYY MM DD which DT doesn t really like because it means the roll names are DD shotwell stores its metadata in a SQLite database in local share shotwell data photo db So to import your files from Shotwell to Darktable is fairly easy just import the Photo folder directly into Darktable using the Import gt Folder tool on the top left Make sure you associated a tag to those images as this will be useful later to tell those images apart say shotwell YYYYMMDD All the images will be imported swiftly but Darktable will also work on generating thumbnails for all those pictures which will take a much longer time Those thumbnails are generated on the fly so you may want to spend some time scrolling by hand through your collection to generate them all once Also in my case Darktable crashed during the import Fortunately you can just restart the import without ill effects had to do this 3 times for a 10k image collection As mentionned above metadata from JPG files gets imported without problems and neatly shows up in Darktable This includes tags ratings and so on However RAW files don t get the same privilege no metadata gets imported at all because well there is no metadata from shotwell in those files It is only in the database After messing around with a bunch of python for an hour or two wrote a rather convoluted script that will extract some data from
22. cts of a photograph and insert a slightly technical explanation of what the plug in does since this allows people to learn the underlying theory behind any manipulations and improve their knowledge over time Please note this is not the place for a full technical thesis but more a very simple explanation of how the plug in achieves its effect Parameters that can be changed The following parameters settings can be changed within this plug in AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD AAAAAAAA This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes BBBBBBBB This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes CCCCCCCC This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes DDDDDDDD This parameter is represented by a slider graphics box whatever and can be found in
23. download at the ECI and use a minimum of 5 for Cyan Magenta and Yellow a maximum of 85 for blacK and don t exceed a maximum ink coverage of 300 in total 2 You need to export the image from darktable Choose Adobe RGB compatible as an output color profile since that can transport some printable colors that are outside of the standard sRGB range And use a lossless format like TIFF 3 Convert the image to CMYK using convert from ImageMagick Use the profile option to specify the color profile that applies to your print job convert image rgb tif profile ISOcoated_v2_300_eci icc image cmyk tif 4 Use identify from ImageMagick with the verbose option to check if your conversion is within the limits recommended by your printer identify specifies the values twice once in a range between 0 and 255 and second in as a value between 0 and 1 Multiply this second value by 100 and you get a percent value as used in printing identify verbose image cmyk tif Image image cmyk tif Channel statistics Pixels 10182900 Cyan min 0 0 max 224 0 878431 mean 71 7436 0 281348 standard deviation 41 0453 0 160962 kurtosis 1 15845 skewness 0 351658 Magenta min 0 0 max 255 1 mean 67 8804 0 266198 standard deviation 57 9146 0 227116 kurtosis 0 168102 skewness 0 765279 Yellow min 0 0 max 255 1 mean 109 522 0 4295 standard deviation 72 0618 0 282595 kurtosis 1 47142 skewness 0 175285 B
24. e Generally recommended settings The modules produces good results out of the box possibly with a reduced strength or blend mode normal with reduced opacity A usual trick is to reduce chroma noise while applying less denoise to luma lightness to avoid losing too much detail Create two instances of the module one with blend mode color and another with blend mode normal or lightness Adjust the strength or opacity of the modules to taste Example usage Example 1 TODO Example 2 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows 12 18 2015 28 38 Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the ch
25. e effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Insert other examples as required Caveats Input any warnings about using this plug in in conjunction with others that may negatively affect it or where you should choose to use either this plug in or another but not both or delete this line Input any details about how extreme settings may affect the photos or delete this line None See also The darktable book link to static generic current version page darktable s online manual link to front page PLUG IN NAME link to exact relevant page Relevant Blog entries concerning this plugin None currently available Insert links here Online tutorials showing how to use this plug in None currently available Insert links here 12 18 2015 23 38 Online videos showing this plug in in action None currently available Insert links here Source code darktable source src iop clipping c 12 18 2015 24 38 NAME plug in Introduction The NAME plug in forms part of the YYYYYYYYYYYY plug in group and is used to make ZZZZZZZZZZ changes to a photograph It is generally used as part of the Import Lighttable Darkroom Export delete as appropriate process of darktable s workflow
26. e is UTC Camera time and calibration picture use local time UTC 1h We have to subtract 1h from the 12 18 2015 15 38 calculated time offset to match the time information of the gpx file with the pictures taken 00 01 31 01 00 00 00 58 29 Enter the corrected time offset manually to the time offset field http darktable org redmine attachments download 442 time offset_2 png Apply the time offset to selected photos Select the photos in lighttable view for which you want to apply the time correction It is recommended to apply the correction to all photos of the filmroll to keep all photos in the time sequence as pictures were taken during your tour Click the tick button to apply the time offset to the selected photos Check the correction in the image information plug in datetime Apply the position from the gpx file to the photos Select the photos in lighttable view which you want to geotag Click the apply gpx track file button to apply the position information to the selected photos Check the latitude and longitude information in the image information plug in latitude and longitude As usual in darktable the position information is stored in the database and the xmp file of the picture The RAW file is not touched Check in the map view that the position where you take your pictures are correctly shown If the picture are not geotagged at all check that the local time to UTC c
27. er half and where 1 shrinks the upper part of the image while expanding the other half aspect Choose frome various kinds of aspect ratios for your image http darktable org redmine attachments download 20 aspect png guides display 12 18 2015 10 38 Various kinds of grids can be displayed as guides to help alignment http darktable org redmine attachments download 22 guides png Example usage Example 1 The CropAndRotatePlugin plug in allows you to reduce perspective distortion when shooting tall buildings for example You can see how the CropAndRotatePlugin plug in makes the walls of the building parallel again The following photo was taken with a short telephoto 90mm equivalent lens from the ground It shows a small amount of perspective distortion http darktable org redmine attachments download 38 img_0002 jpg Only a small amount of keystone is needed found it easiest to first rotate some edge near the middle of the image then apply keystone Repeat again until it is OK http darktable org redmine attachments download 39 params png http darktable org redmine attachments download 37 img_0001 jpg Caveats Some plugins like the graduated neutral density filter http darktable org redmine projects users wiki GNDPlugIn parent Plug ins Wiki Pages still use the whole image area regardless of crop See also darktable s online manual http www darktable org usermanual ch03s04s32 html php Source code
28. es and where 100 shows changes BBBBBBBB This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes CCCCCCCC This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes DDDDDDDD This parameter is represented by a slider graphics box whatever and can be found in the right left hand panel of the import Lighttable Darkroom export delete as appropriate view Settings range from 0 to 100 where 0 shows changes and where 100 shows changes Generally recommended settings Whilst users may choose any settings they wish to create the look that they desire the following settings are generally recommended for this plug in Parameter AAAAAAAA Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter BBBBBBBB Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to 12 18 2015 25 38 Parameter CCCCCCCC Useful settings generally range from 25 to 75 Lower values can lead to and
29. gs generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter CCCCCCCC Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter DDDDDDDD Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Other general comments about the parameters and their use either alone or in combination with one another Example usage TODO Example 1 The Sharpen plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the Sharpen plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the c
30. hanges and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Example 2 The Sharpen plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the Sharpen plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Insert other examples as required Caveats TODO Input any warnings about using this plug in in conjunction with others that may negatively affect it or where you should choose to use either this plug in or another but not both or delete this line Inp
31. ination DBs must be an existing valid darktable DBs Background darktable store all presets in the config darktable library db file This is a sqlite3 database Problems yes darktable store the pictures repository and much more data on the same DB Which make it a bad idea to copy the DB between your laptop and desktop or just to copy your presets around presets saved into the presets table with a unique id for each preset ID is based on preset name operation and operation_id two important columns are the op_ params and the blendop_params Both of type BLOB which make it harder to play with Logic open the source DB and copy all the presets to memory open destination DB and insert all presets from the source DB if insert succeed commit the insert else this preset probably already exist in the destination Script works for me appending my presets from darktable 1 2 3 on fedora to 1 4 1 on mint But never tested in a professional way Code is quick and dirty as wrote it for a one time migration No responsibilities assumed 2014 04 16 izack varsanno com import sys import sqlite3 def getParameters numOfParms len sys argv srcDB src_library db destDB dest_library db if numOfParms gt 1 srcDB sys argv 1 if numOfParms 3 destDB sys argv 2 return srcDB destDB def readDB dbFile conn sqlite3 connect dbFile with conn c conn cursor c execute SELECT FROM presets rows
32. ings are at the beginning of the long terminal output run the script twice to see just the relevant information First you must add your language to the file doc usermanual po LINGUAS e g fr for the french language Then run the build sh script and create the po file for your language build sh cd build make update usermanual XX where XX is your language code A new file will be generated in the root of the git repository doc usermanual po XX po Go ahead and translate it To compile the translated manual PDF export only build sh cd build make darktable usermanual XX A PDF file will be generated and saved in build doc usermanual HTML export for translated documentation is not currently supported Beware that after each chapter title there is usually a string used for the index of the manual You should use the main word as first word regardless of the grammar to put it in the right letter of the index For example module usage can be translated as uso dei moduli in italian but prefer using moduli uso to index it at the M where the user can easily find it If the compilation of the manual doesn t work it s likely that there s some XML error You should parse the XML file generated by make with xmllint noout postvalid dtdvalid http Awww oasis open org docbook xml 4 5 docbookx dtd build doc usermanual darktable_single XX xml See issue 9755 note 1 4 12 18 2015 38 38
33. ion A Plug In s place in the pipeline is fixed history stack is irrelevant in that matter If you click on a category twice everything ungroups and you can see the exact order everything is applied from bottom to top Shift click on a plugin header it will unfold that one and fold all the others Relevant source files are located here darktable source lighttable GeoTagging geotagging darkroom Basic Group CropAndRotatePlugIn Crop and rotate BasecurvePlugIn Base curve OrientationPlugIn Orientation ExposurePlugIn Exposure HighlightReconstructionPlugIn Highlight reconstruction DemosaicPlugIn Demosaic WBPlugIn White Balance InvertPlugIn Invert darkroom Tone Group FillLightPlugI n Fill light LevelsPlugin Levels ToneCurvePlugIn Tone curve ZoneSystemPlugin Zone system TonemappingPlugIn Tone Mapping darkroom Color Group OverexposedPlugIn Overexposed VelviaPlugIn Velvia ChannelMixerPlugIn Channel mixer OutputColorProfilePlugIn Output Color profile ColorContrastPlugIn Color contrast ColorCorrectionPlugIn Color correction ColorZonesPlugIn Color zones ColorTransferPlugIn Color transfer 12 18 2015 8 38 VibrancePlugIn Vibrance InputColorProfilePlug n Input color profile UnbreakPlugIn Unbreak input profile darkroom Corection Group SharpenPlugIn Sharpen EqualizerPlugIn Equalizer No
34. ited Backup your database before any operation for example cp config darktable library db config darktable library db_manualbackup_2014 11 03 Check if backup is okay darktable library config darktable library do_manualbackup_2014 11 03 Check how it works then quit wait until the process has actually exited Exporting elements sqlite3 config darktable library db output presets backup dump presets output styles backup dump styles output style_items backup dump style_items output masks backup dump masks quit Purging database Dangerous Make sure you still have your backup rm config darktable library db Run darktable once to recreate an empty database then quit Importing elements Don t reimport everything only what you actually need If the problem is in those settings reimporting them will bring the problem back sqlite3 config darktable library db lt presets backup 12 18 2015 6 38 sqlite3 config darktable library db lt styles backup sqlite3 config darktable library db lt style_items backup sqlite3 config darktable library db lt masks backup Import only once or you ll end up with duplicates Rolling back If something is wrong you can put things back in order from your backup cp config darktable library db_manualbackup_2014 11 03 config darktable library db 12 18 2015 7 38 Plug ins Wiki Page General Informat
35. lack min 0 0 max 242 0 94902 mean 53 808 0 211012 standard deviation 50 9582 0 199836 kurtosis 0 845476 skewness 0 468255 Image statistics Overall min 0 0 max 255 1 mean 75 7386 0 297014 standard deviation 56 6314 0 222084 kurtosis 0 0961796 skewness 0 623551 Total ink density 300 5 Correct the color levels as needed using convert Use the channel option to specify the color channel you wish to change and the options evaluate 12 18 2015 34 38 Add and evaluate Remove to modify For Cyan Magenta Yellow you need to apply all corrections similarly to all three channels to avoid color casts In our example we want to increase the minimum value for Cyan Magenta and Yellow by 5 points and decrease the maximum value for blacK by 10 points Be aware that the percent values are relating to the full color not to the value already there adding 10 to a value of 10 results in 20 not 11 convert image cmyk tif channel CMY evaluate Add 5 channel K evaluate Subtract 10 image cmyk corrected tif 6 Check your result visually Loading the image into scribus is probably the most accurate preview available in free software 12 18 2015 35 38 Supported cameras Darktable uses libgphoto2 for tethering you can find a list of by libgphoto supported cameras here Tested and fully functional cameras Here follows a complete list of verified and supported cameras for tethering with Darktable
36. lor label label de couleur combobox zone de liste d roulante deflicker Ne pas traduire et pr ciser anti scintillement dialog box boite de dialogue duplicate cloner traduit ainsi dans l interface duplicate clone filmstrip bandeau form forme HDR grande plage dynamique ou grande gamme dynamique LDR plage ou gamme dynamique standard ou ordinaire lightness clart luminance luminance en photom trie mask masque RGB RGB dans tous les acronymes comportant RGB shape forme sidecar fichier li slider curseur tethering prise de vue connect e capture dans l interface de darktable thumbnail miniature raw RAW RAW toujours en majuscules wavelets ondelettes en th orie du signal 12 18 2015 4 38 Import from other software This page aims to share documentation on how to import your images from other software into shotwell Shotwell Shotwell generally behaves pretty well with metadata although it has a few issues writes directly to the JPG files and not to sidecar files http redmine yorba org issues 1879 RAW metadata simply doesn t get written at all http redmine yorba org issues 4156 http redmine yorba org issues 5451 JPG files get rendered on disk and saved by shotwell even if the camera shoots in RAW JPG there s a new setting to workaround that see http redmine yorba org issues 4261 Other important notes events a similar concept than DT s rolls
37. nLocalDenoisePlugIn Denoise non local means BilateralDenoisePlugIn Denoise bilateral filter LensCorectionPlugIn Lens correction SpotRemovalPlugIn Spot removal ProfiledDenoisePlugIn denoise profiled CAPlugIn Chromatic aberrations RawDenoisePlugIn Raw Denoise HotPixelsPlugIn Hot Pixels darkroom Effect Group WatermarkPlugIn Watermark FramingPlugIn Framing SplitToningPlugIn Split toning VignettingPlugIn Vignetting SoftenPlugIn Soften GrainPlugIn Grain HighPassPlugIn High pass LowPassPlugin Low pass MonochromePlugIn Monochrome LowLightPlugIn Low light ShadowsAndHighlightsPlugIn Shadows and Highlights BloomPlugIn Bloom ColorizePlugIn Colorize GNDPlugIn Graduated Neutral Density Others Local contrast 2 No longer built should be taken out of the user manual link child_pages 12 18 2015 9 38 CropAndRotatePlugin Introduction The CropAndRotatePlugin plug in forms part of the basic plug in group and is used to crop rotate flip and do keystone distortion It can also display various kinds of guides while doing so It is generally used as part of the Darkroom process of darktable s workflow http darktable org redmine attachments download 1 9 croprotate png This page is correct for the following stable versions of darktable darktable version 1 0 4 Reasons for use The CropAndRotatePlugin plug in is used to m
38. om a gpx file My Garmin devices Forerunner 305 Forerunner 310XT and GPSmaps 60csx stores for each track point following data Start tag Position in latitude longitude lt trkpt gt lt trkpt lat 47 7150476 lon 11 7259344 gt lt ele gt 731 4000000 lt ele gt lt time gt 2013 01 27T08 56 37Z lt tim e gt End tag lt trkpt gt Elevation in meters Time in UTC Zulu time Every few seconds a new track point is added to the track file gpx file A gpx file of an one hour photo tour contains some hundreds to even more than thousands track points What this plug in actually does This plug in adds the position information recorded in the gpx file to the EXIF data of your photo Accurate geotagging requires that the time setting of your camera is fully synchronized with the GPS time The GPS time is extracted from the satellite signal with a high precision The time of your camera is far less precise and will deviate from the GPS time in the magnitude of seconds or even minutes The geotagging plug in support you in following tasks calculate the time offset of your camera clock the spyglass button apply the time offset to selected photos the tick button apply the position from the gpx file to the photos the apply gpx track file function Calculate time offset Check the time setting of your camera before starting your outdoor photo tour If you like set camera time to UTC
39. onstruction plug in png This page is correct for the following stable versions of darktable all 1 1 2 used for this description Reasons for use Your camera uses a Bayer pattern to make the camera chip sensitive to color The Bayer pattern consists of red green and blue filters in front of the sensor to generate pictures with RGB components For technical reasons the green filters put the lowest attenuation to the light compared to red and blue channels A white light results on a much higher signal of the green channel than the red and blue channel The white balance plug in takes care that the picture you take will show the right colors finally It does this by amplification of the red and blue signals at the output in order to balance the resulting sensitivity of all three color components to the same sensitivity To verify this go to the white balance plug in and set the preset to passthrough Red green and blue channel are set to 1 000 and the picture shows a green mask Setting the preset to camera white balance the green channel remains at 1 000 and the red channel e g 2 300 and the blue channel e g 1 500 are amplified to balance the colors The output signal of the RGB channels increases with increasing brightness The green channel will reach saturation before the red and blue channel At this point clipping of the highlights starts in the green channel Following scenario visualize the effect of clipping in the green channel Basis is
40. onversion was correctly done Consider the summer time if applicable another pitfall If the pictures are shown in map view but the locations are not correct by some tenth or hundred meters reconsider if you have to add or subtract the offset http darktable org redmine attachments download 443 map view png Exported pictures contains the position as part of the EXIF data Parameters that can be changed Not applicable Generally recommended settings Set camera time to UTC to simplify offset calculation Example usage See section what this plug in actually does above Caveats None See also darktable online user manual chapter 2 11 Geotagging in darktable Source code Ups where to find Files geotagging_plug in png 5 77 KB 02 03 2013 Joerg Hoeben geotagging_plug in png 5 77 KB 02 03 2013 Joerg Hoeben calibration_clock png 51 1 KB 02 03 2013 Joerg Hoeben image_information_plug in png 14 2 KB 02 03 2013 Joerg Hoeben time offset pop up png 2 49 KB 02 03 2013 Joerg Hoeben time offset_1 png 1 93 KB 02 03 2013 Joerg Hoeben time offset_2 png 2 2 KB 02 03 2013 Joerg Hoeben map view png 89 KB 02 03 2013 Joerg Hoeben 12 18 2015 16 38 HighlightReconstruction Plugin Introduction The HighlightReconstruction plug in is part of the basic group By default it is switched on and there is no reason to change settings or to switch it off http darktable org redmine attachments download 444 highlight_rec
41. sampling is activated then DT applies demosaicing then the pixel pipeline at full resolution then downscales the result as needed If High Quality resampling is not activated then DT applies bilateral downsampling or demosaicing depending on the situation see avobe then applies the pixel pipeline Parameters and settings that can be changed The following parameters and settings can be changed within this plug in method edge threshold color smoothing match greens method This parameter determines the method to use PPG or AMaZE PPG is old fast and works with the GPU even faster AMaZE is more expensive can yield better results in hard cases and sometimes has trouble when crop rotate or opencl are switched on It was originally developed standalone then incorporated into RawTherapee then ported to Darktable edge threshold This parameter sets the threshold for the median pass Possible values range from 0 to 1 in steps of 0 001 color smoothing This parameter determines the number of passes for color smoothing Possible values range from 1 to 5 in steps of 1 match greens This parameter sets the green correction which is useful for some specific cameras Possible values are disabled local average full average full and local average 12 18 2015 12 38 Generally recommended settings for this plug in TODO Whilst users may choose any settings they wish to create the look that
42. se remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug in improvements and what has improved changed NB Important to ensure that the before and after screenshots show only the effect of this plug in not a combination of other unspecified plug ins or a stack of other adjustments This example should focus on just the changes and improvements that can be achieved through the use of this plug in DELETE THIS TEXT ONCE THE EXAMPLE IS CREATED Insert other examples as required Caveats Input any warnings about using this plug in in conjunction with others that may negatively affect it or where you should choose to use either this plug in or another but not both or delete this line Input any details about how extreme settings may affect the photos or delete this line None See also The darktable book link to static generic current version page darktable s online manual link to front page
43. they desire the following settings are generally recommended for this plug in Parameter method Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter edge threshold Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter color smoothing Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Parameter match greens Useful settings generally range from 25 to 75 Lower values can lead to and higher values will lead to Other general comments about the parameters and their use either alone or in combination with one another Example usage TODO Example 1 The NAME plug in allows you to manipulate adjust enhance reduce maximise minimise remove delete as appropriate VVVVVVVVVV to In this example you can see how the NAME plug in manipulates adjusts enhances reduces maximises minimises removes ZZZZZZZZ and allows Before photo screenshot insert screenshot here Explanation of the original photo and what is hoped to improve change Parameters used suggested screenshot insert screenshot here Explanation of the parameters used and why focusing on the reasons for using the values that you did After photo screenshot to show changes insert screenshot here Explanation of the photo following plug
44. user guide and tutorials User s wiki Darktable Help Please see our online user manual Supported cameras for tethering Plug ins Wiki Pages Import from other software Translating the usermanual Conventions et regles de traduction Manual export import of styles presets and masks Preparation for offset printing converting to CMYK Scripts Append presets from one darktable installation to another See this if you think editing the original raw files is a good idea http article gmane org gmane comp graphics darktable user 7002 child pages child_pages 12 18 2015 1 38 Append presets from one darktable installation to another built the following script to migrate my presets from one darktable installation to another Script is quick and dirty but should work Please read the script main note for usage information Save the following script to file name it append_presets py and run it using python 2 7 Append presets from one darktable installation to another Before run 1 backup both db files 2 Make sure darktable is not running 3 It is advised to copy the destination db to something like dest_library db once append finished you can switch between the newly modified file and the original one Usage python append_presets py src db dest db ex python append_presets py config darktable src_library db config darktable dest_library db Both source and dest
45. ut any details about how extreme settings may affect the photos or delete this line None See also 12 18 2015 31 38 Darktable book link to static generic current version page Darktable s online manual Sharpen Relevant Blog entries concerning this plugin None currently available Insert links here Online tutorials showing how to use this plug in None currently available Insert links here Online videos showing this plug in in action None currently available Insert links here Wikipedia Unsharp Mask Source code 12 18 2015 32 38 WatermarkPlugin Variables This is the list of variables that darktable expands in watermarks and example values DARKTABLE NAME darktable DARKTABLE VERSION 1 1 IMAGE ID 1234 IMAGE EXIF a string with exposure time aperture focal length and ISO EXIF DATE the complete date time string in the standard Unix format EXIF DATE SECOND 00 60 EXIF DATE MINUTE 00 59 EXIF DATE HOUR 00 23 EXIF DATE HOUR_AMPM 07 12 EXIF DATE DAY 01 31 EXIF DATE MONTH 07 12 EXIF DATE SHORT_MONTH Jan Feb Dec localized EXIF DATE LONG_MONTH January February December localized EXIF DATE SHORT_YEAR 13 EXIF DATE LONG_YEAR 2013 DATE _current date_ DATE SECOND 00 60 DATE MINUTE 00 59 DATE HOUR 00 23
46. y on the folders and files 12 18 2015 20 38 Monochrome TODO description of the plugin Other effects The main function of the Monochrome module is to well change the image to monochrome but there are some interesting effects that can be achieved with blending Center the circle on an orange similar to skin tones let s call it skin orange and try skin organe Overlay blending at 50 skin orange Average blending at 30 12 18 2015 21 38 NAME plug in Introduction The NAME plug in forms part of the YYYYYYYYYYYY plug in group and is used to make ZZZZZZZZZZ changes to a photograph It is generally used as part of the Import Lighttable Darkroom Export delete as appropriate process of darktable s workflow Screenshot of the plug in insert screenshot here use a close up showing all parameters of the relevant plug in but no items from other plug ins to avoid confusion This page is correct for the following stable versions of darktable darktable version 1 0 darktable version 0 93 Reasons for use The NAME plug in is used to manipulate adjust enhance reduce maximise minimise remove delete as appropriate the XXXXXXXXX aspect of your photos Expand further here to either give more detail on generic reasons for use or to explain other reasons for use What this plug in actually does This plug in affects the contrast highlights underexposed overexposed aspe
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